package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDTO;
import com.itheima.reggie.dto.SetmealDTO;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

//套餐管理
@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private CategoryService categoryService;


    //新增套餐方法
    @PostMapping
    public R<String> save(@RequestBody SetmealDTO setmealDTO) {
        log.info("套餐信息：{}", setmealDTO);
        setmealService.savawithDish(setmealDTO);


        return R.success("新增套餐成功");
    }

    //套餐分页查询
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        //分页构造器
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);

        Page<SetmealDTO> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();

        //添加查询条件 根据name进行模糊查询
        queryWrapper.like(name != null, Setmeal::getName, name);

        //添加排序条件，根据跟新时间进行降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo, queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dtoPage, "records");

        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDTO> list = records.stream().map((item) -> {
            SetmealDTO setmealDTO = new SetmealDTO();

            //拷贝对象
            BeanUtils.copyProperties(item, setmealDTO);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                //分类名称
                String categoryName = category.getName();
                setmealDTO.setCategoryName(categoryName);
            }
            return setmealDTO;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }


    //套餐启用停用方法
    @PostMapping("/status/{status}")
    public R<String> startSetmeal(@PathVariable Integer status, @RequestParam List<Long> ids) {
        for (Long id : ids) {
            Setmeal byId = setmealService.getById(id);
            byId.setStatus(status);
            setmealService.updateById(byId);
        }
        return R.success("修改成功");
    }


    //删除套餐的方法
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids) {
        log.info(ids.toString());
        setmealService.removewithDish(ids);
        return R.success("套餐删除成功");
    }

    //根据ID查询菜品信息  和对应的口味信息
    @GetMapping("/{id}")
    public R<SetmealDTO> get(@PathVariable Long id) {
        SetmealDTO byIdwithDish = setmealService.getByIdwithDish(id);
        return R.success(byIdwithDish);
    }

    //修改套餐的方法
    @PutMapping
    public R<String> update(@RequestBody SetmealDTO setmealDTO) {
        log.info(setmealDTO.toString());
        setmealService.updatewithDish(setmealDTO);
        return R.success("修改成功");
    }

    //手机端  根据条件查询套餐数据
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal) {

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null, Setmeal::getCategoryId, setmeal.getCategoryId());

        queryWrapper.eq(setmeal.getStatus() != null, Setmeal::getStatus, setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);

        return R.success(list);
    }

}
